diff --git a/lib/screw.builder.js b/lib/screw.builder.js
index 6686993..3b4700d 100644
--- a/lib/screw.builder.js
+++ b/lib/screw.builder.js
@@ -1,7 +1,7 @@
 var Screw = (function($) {
   var screw = {
     Unit: function(fn) {
-      var contents = fn.toString().match(/^[^\{]*{((.*\n*)*)}/m)[1];
+      var contents = fn.toString().match(/^[^\{]*{((.*(\n|\r)*)*)}/m)[1];
       var fn = new Function("matchers", "specifications",
         "with (specifications) { with (matchers) { " + contents + " } }"
       );